<template>
   <div>
     <city-header></city-header>
     <city-search :cities="cities"></city-search>
     <city-list
       :cities="cities"
       :hot="hotCities"
       :letter="letter"
     >
     </city-list>
     <city-alphabet
       :cities="cities"
       @change="handleLetterChange"
     >
     </city-alphabet>
   </div>
</template>
<script>
import axios from 'axios'
import CityHeader from './components/Header'
import CitySearch from './components/Search'
import CityList from './components/List'
import CityAlphabet from './components/Alphabet'
export default {
  name: 'City',
  data () {
    return {
      cities: {},
      hotCities: [],
      letter: ''
    }
  },
  components: {
    CityHeader,
    CitySearch,
    CityList,
    CityAlphabet
  },
  methods: {
    getCityInfo () {
      axios.get('/api/city.json')
        .then(this.getCityInfoSucc)
    },
    getCityInfoSucc (res) {
      const data = res.data
      if (data.ret && data.data) {
        this.cities = data.data.cities
        this.hotCities = data.data.hotCities
      }
    },
    handleLetterChange (letter) {
      this.letter = letter
    }
  },
  mounted () {
    this.getCityInfo()
  }
}
</script>
<style lang="stylus" scoped>

</style>
